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通过对鸡公山森林植物区系与邻近森林植物区系之间共有种和区系成分的对比分析,以及通过与邻近山地森林植物区系之间相似性系数的对比分析.结果表明:(1)该区与华中区系的关系最为密切,与华东、华北、西南、华南,与东北、西北区系之间很少有联系;(2)该区与邻近山地森林植物区系问关系紧密程度依次为:桐柏山、大别山、中条山、缙云山、梵净山;(3)鸡公山森林植物区系应属华中区.
Through the comparative analysis of the common species and floristic components between the forest plants in Jigong Mountain and the adjacent forest flora and the comparative analysis of the similarity coefficient with the forest plants in the adjacent mountain area, the results showed that: (1 ) This area is most closely related to the Central China flora and has few links with Eastern China, North China, Southwest China, Northeast China and Northwest China. (2) The area is closely related to the forest flora of the neighboring mountains Followed by Tongbai Mountain, Dabie Mountain, Zhongtiaoshan Mountain, Jinyun Mountain and Fanjingshan Mountain; (3) The Jugong Mountain forest flora should belong to Central China.